The graph of which function has an axis of symmetry at x = one-quarter? a. f(x) = 2x2 + x – 1
b. f(x) = 2x2 – x + 1
c. f(x) = x2 + 2x – 1
d. f(x) = x2 – 2x + 1

Need on this one asap im almost done with this subject

What is the number 321,000,000 in scientific notation? also what is the number? ?

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.